(Innate): Kassadin takes 15% reduced magic damage after magic resistance reductions have been applied. Kassadin converts each point of this ignored damage into 1% bonus attack speed. Each of these conversions last individually for 4 seconds and the attack speed will stack.

Void Stone is a passive ability that reduces incoming magic damage by 15%. Kassadin then gains bonus attack speed scaling with the amount of damage prevented. Each instance of magic damage will grant its own attack speed bonus, and these bonuses will stack with each other.

Nether Blade passively grants Kassadin an on-hit effect, causing Kassadin to gain a set amount of mana on each autoattack. When activated, Nether Blade is a self-target ability that causes Kassadin's autoattacks to deal bonus magic damage for a short duration.

Nether Blade 触发法术吸血和冰杖的减速效果 similarly with all single target spells and abilities with full effect.

(Active): Kassadin draws energy from spells cast in his vicinity, gaining a charge whenever a spell is cast near him, including his own spells. Upon reaching 6 charges, Kassadin can use Force Pulse to deal magic damage and slow enemies in a cone in front of him for 3 seconds.

Cost: 80 mana

Cooldown: 6 seconds

Range: 400

Cone Width: 80º

Magic Damage: 80 / 130 / 180 / 230 / 280 (+0.7 per ability power)

Slow: 30 / 35 / 40 / 45 / 50 %

Force Pulse is a conic area of effect ability that can only be used upon reaching 6 charges. Champion ability casts near Kassadin grant him one charge each. Upon activation, Force Pulse deals magic damage and slows enemy units in the targeted area.

Force Pulse gains one charge for every ability used near Kassadin, including his own abilities.

Force Pulse will gain charges from any ability cast within range, even abilities used in brush or the Fog of War.

Riftwalk

(Active): Kassadin blinks to a nearby location, dealing magic damage to enemy units surrounding the destination area. Each subsequent Riftwalk in the next 8 seconds will cost 100 additional mana and will deal additional damage. The cost and damage increase can stack up to 10 times.

Base Cost: 100 mana

Range: 700

Diameter of Damage AoE: 150

Cooldown: 7 / 6 / 5 seconds

Base Magic Damage: 60 / 70 / 80 (+0.8 per ability power)

Additional Damage Per Stack: 60 / 70 / 80

Riftwalk is a ground targeted area of effect blink ability that transports Kassadin a small distance and deals magic damage to enemy units at the target location. He then gains a buff for 8 seconds, increasing Riftwalk's damage and mana cost for its duration. Subsequent Riftwalk casts stack this buff up to 10 times, refreshing the duration and further increasing the damage and mana cost.